ball mill motor capacity power equatioon

Choosing a SAG Mill to Achieve Design Performance Choosing a SAG Mill To Achieve Design Performance John Starkey1, Principal Consulting Engineer Sami Hindstrom2, Manager, ... power draw in the mill chosen be provided at optimum conditions as well. ... It is an approximation or a best guess based on limited data. This equation is: . Best way to determine the ball-to-powder ratio in ball ... The maximum power draw in ball mill is when ball bed is 35-40 % by volume in whole empty mill volume. Considering that ball bed has a porosity of 40 %, the actual ball volume is considered to be ... BALL MILL POWER - Page 1 of 2 Nov 12, 2013· ball mill power . dear experts. we have a ball mill in combi mode for cement grinding . roller press before the ball mill. the supplier has given 28% grinding media filling, with shaft power .    Read More